From: Dave Chinner <david@fromorbit.com>
To: bugzilla-daemon@bugzilla.kernel.org
Cc: linux-xfs@vger.kernel.org
Subject: Re: [Bug 201453] New: Bug 1640090 - [xfstests xfs/490]: xfs_db print a bad (negative number) as agi freecount
Date: Thu, 18 Oct 2018 12:41:50 +1100 [thread overview]
Message-ID: <20181018014150.GF6311@dastard> (raw)
In-Reply-To: <bug-201453-201763@https.bugzilla.kernel.org/>
On Wed, Oct 17, 2018 at 11:20:42AM +0000, bugzilla-daemon@bugzilla.kernel.org wrote:
> # _scratch_xfs_get_metadata_field "recs[1].freecount" "agi 0" "addr root"
> -197
> ]# xfs_db -c "agi 0" -c "addr root" -c "print recs[1]" /dev/loop1
> recs[1] = [startino,holemask,count,freecount,free]
> 1:[128,0,64,-197,0xffffffffffffffe0]
.....
> And it's not reproducible on x86_64:
> # xfs_db -c "agi 0" -c "addr root" -c "print recs[1]" /dev/loop1
> recs[1] = [startino,holemask,count,freecount,free]
> 1:[128,0,64,59,0xffffffffffffffe0]
-197 = -(256 - 59)
This looks like a sign extension problem in the xfs_db code. s390 is
a big endian system, right?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2018-10-18 9:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-17 11:20 [Bug 201453] New: Bug 1640090 - [xfstests xfs/490]: xfs_db print a bad (negative number) as agi freecount bugzilla-daemon
2018-10-17 17:49 ` [Bug 201453] " bugzilla-daemon
2018-10-18 1:41 ` Dave Chinner [this message]
2018-10-18 1:41 ` bugzilla-daemon
2018-10-18 1:50 ` bugzilla-daemon
2018-10-18 6:25 ` bugzilla-daemon
2018-10-24 20:10 ` bugzilla-daemon
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